Hardware Spec Index

Caldera FN-2237 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN2237-ULTRA · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index490 (Case Fans scale)
Category rank#36,990
Street price$19
Power4 W
Performance per dollar25.79
Released2026

Specifications

BrandCaldera
ModelCaldera FN-2237 Ultra
Size140 × 140 × 25 mm
Speed500–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2237 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/8903405 (accessed 2026-10-23).